diff --git a/chainqueue/query.py b/chainqueue/sql/query.py
similarity index 100%
rename from chainqueue/query.py
rename to chainqueue/sql/query.py
diff --git a/chainqueue/state.py b/chainqueue/sql/state.py
similarity index 100%
rename from chainqueue/state.py
rename to chainqueue/sql/state.py
diff --git a/chainqueue/tx.py b/chainqueue/sql/tx.py
similarity index 100%
rename from chainqueue/tx.py
rename to chainqueue/sql/tx.py
diff --git a/test_requirements.txt b/test_requirements.txt
new file mode 100644
index 0000000..e69de29